Platform cart



FIG. 1 is a top right isometric view of the platform cart of the present invention;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a front view thereof.

The broken lines in the figures are to show portions of the platform cart which form no part of the claimed design. 

CLAIM The ornamental design for a platform cart, as shown and described. 